Participants listen to the speech of Hamdoun Toure, Secretary General of International Telecommunication Union, ITU, seen on screens, at the eleventh day of the World Conference on International Telecommunication in Dubai, United Arab Emirates, Monday Dec. 3, 2012. The head of the U.N.'s telecommunication overseers sought Monday to quell worries about possible moves toward greater Internet controls during global talks in Dubai, but any attempts for increased Web regulations are likely to face stiff opposition from groups led by a major U.S. delegation. (AP Photo/Kamran Jebreili)

(AP)—American envoys say they are working with other nations on a proposal to drop all discussions on possible Internet regulations from a U.N. telecommunications conference in Dubai.

The U.S. is leading calls to reject possible new codes on the Net by the , a 193-nation body making its first major oversight in nearly 25 years. U.S. representatives held meetings Tuesday on the proposal to take all Internet-related discussions off the table.

The U.S. fears any U.N. Internet regulations could complicate commerce and be used by nations such as China and Russia to justify further cyber-crackdowns.

But the head of the U.N. group, Hamadoun Toure, insists the 11-day talks will not limit freedom of expression and will mostly seek ways to broaden Internet services to .